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A.KRÜSS Optronic GmbHAlsterdorfer Straße 276–27822297 Hamburg | Germany

Tel +49 40 514317-0Fax +49 40 514317-60

E-Mail info@kruess.comWeb www.kruess.com

Your Expert forGemological Instruments

Webshopwww.kruess.com/shop

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Gemstone SpectroscopesAccurate gemstone alanysis by means of light spectrum analysis

KL14-1504

Gem spectroscopewith wavelength scale andfiber-optic-light source.

1501

Hand-held spectroscopewith variable precision slit.

1504

Hand-held spectroscopewith variable precision slitand wavelength scale.

Polariscopes

PK11

Polariscope for LED10 andsimilar flashlights.

KRÜSS polariscopes are qualityinstruments to identify single ordouble refracting stones quicklyand accuratly, to distinguishbetween natural and syntheticamethyst and to separate jadeand chalcedony from glass.It also helps to detect strain indiamonds before cutting.

PK14

Polariscope with stoneholderand conoscope lense.Illumination: 220 V, 10 W

Gem Testing Instruments

PK11

PK14-LED

LUW28 „Weinschenk loupe“

LUD10/18

LB010

HD10

PO11

You can find

more information

about our instruments

directly in our webshop

www.kruess.com/shop

Test control instruments for discovering the fascinating variety of gemstones

∙ Proportionscopes∙ Proportion eyepieces∙ Digital gem gauges∙ Dichroscopes∙ Polariscopes∙ Filters∙ Immersion liquids∙ Tweezers

Binocular Magnifying GlassesThese binocular magnifying glasses give you stereoscopic short distance viewing and leave your handsfree for work.Optional with glasses frame forindividual prescription lenses oraspherical halogen-lamp.

LoupesOur range comprises more than 40 different precision loupes.They are equipped with high quality and distortion-free lenses.

Magnification from 10X to 28X.

LUD 10-18

∙ Loupe 10X∙ with darkfield∙ recommended for flashlight LED10

1501

1504

KL14-1504

LUK10-21-LED „KRÜSS Loupe“

KA52KRS Professional Gem Travel LaboratoryWith selfexplanatory control panel for all illumination units(illustration see front page)

KA41KRS Standard Gem Travel Laboratory

∙ Dichroscope∙ Conoscope∙ Gem refractometer ER601-NA with sodium filter∙ UV long-wave lamp∙ UV short-wave lamp∙ Daylight lamp∙ Refractive index liquid∙ Battery (min 8 h)

∙ Stereo-Zoom-Microscope KSW5000-K-W∙ Cuvette table with cuvettes∙ Darkfield∙ Fiber Optic Light Source with LED illumination∙ Stone holder∙ Spectroscope 1504 with holder and scale illumination∙ Polariscope

∙ KSW4000-K-W with Fiber Optic Light Source∙ Spectroscope 1501 with holder∙ Polariscope∙ Conoscope∙ Daylight lamp

∙ UV-longwave lamp∙ Gem refractometer ER604 with sodium filter∙ Refractive index liquid∙ LED illumination

Beide Reiselabore werden in einem praktischen, stoßsicherenAluminumkoffer geliefert.

Gem Travel Labs

You can find

more information

about our instruments

directly in our webshop

www.kruess.com/shop

Gem Zoom Microscopes

Krüss microscopes with precision optics for professional gemology

Fiber Optic Light Sources

Gem RefractometersReliable classification and quality control of gemstones

Equipped with:

∙ Polarisation filter∙ Sodium filter∙ optional with LED illumination

ER601

Professional gem refractometerwith high quality precision optics.

ER604

Robust and compact standardgem refractometer.

KL5120

∙ 8 V, 20 W∙ brightness control without color change∙ single or double arm connection possible∙ without fiber-optic-light pipe

KSW5000-T-K-W

KSW8000

KL5120

Precision Instruments „made in Germany“For over 200 years A.KRÜSS Optronic has been famous worldwide forinnovative optic-electronic measuring instruments of the highest precision.As the oldest company in this field, our target is to develop instrumentswhich set new standards. With our products we aim to simplify testing and inspection tasks in laboratories or production facilities.For this reason all instruments are user-friendly and can be operatedintuitively.

all our instruments are equipped with a flexible

power supply forworldwide usage

Fibre Optic Light Sources for gemologists

KSW4000:

∙ Magnification 10X and 30X (optional up to 60X)∙ 10X widefield eyepieces, 1X and 3X objectives∙ LED incident and transmitted light, darkfield illumination∙ Stone holder

Optional:horizontal mounting with glass cuvette and cuvette-table, light conductor (twin-arm), battery (approx. 24 h).

KSW4000

Optical features of KSW5000 and KSW8000:

∙ Stageless magnification 7-45X, upgradable to 180X∙ 360° revolving optical head with dioptric adjustment and adjustable eye distance 51-75 mm∙ 10X plano eyepieces with diopter compensation

KSW5000 series:

∙ Transmitted and incident illumination∙ Darkfield∙ Stone holder∙ Optional horizontal mounting with glass cuvette, cuvette table, polarisation feature and phototube

KSW8000:

∙ 90° inclinable und 360° rotatable∙ Incident and transmitted LED illumination∙ Additional fiber optic light∙ Overhead fluorescent light∙ Darkfield with iris diaphragm∙ Stone holder∙ Phototube